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प्रश्न
Give reason for the following:
Concentrated sulphuric acid should not be added to oxalic acid or formic acid in the open laboratory.
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उत्तर
Concentrated sulphuric acid should not be added to oxalic acid or formic acid as it removes water and forms carbon monoxide. Carbon monoxide is harmful for health so this addition must be done in an open laboratory.
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संबंधित प्रश्न
Write balanced chemical equations for the action of dilute sulphuric acid on sodium sulphite.
State the inference drawn from the following observations:
Salt S is prepared by reacting dilute sulphuric acid with copper oxide. Identify S.
Give one equation to show the following properties of sulphuric acid:
Acidic nature
Why is H2SO4 is not used as a drying agent for H2S?
Describe the reaction that show
Concentrated sulphuric acid is a dehydrating agent.
What would you observe in the following case:
Sugar crystals are added to a hard glass test tube containing concentrated sulphuric acid.
What property of sulphuric acid is shown by the reaction of concentrated sulphuric acid when heated with potassium nitrate?
Give one equation to show the following property of sulphuric acid:
As a non-volatile acid
Give balanced chemical equation to prepare the following salt:
Sodium sulphate using dilute sulphuric acid
Hydrogen chloride gas is prepared in the laboratory by the action of concentrated sulphuric acid on sodium chloride.
State the method of collection of the gas formed above.
